... PN150lb to 4500lb. API code. Various models of valves which covered in the types of globe valves, gate valves, butterfly valve, check valves ... , diaphragm valves, ball valves, and instrument valves can be supplied accordance with the standard & code of GB, ASME, API ... , ANSI, AWWA, DIN, BS, NF, JIS, IBR etc.. The pressure of the valves can ...